Light emission module, connector, and mounting structure for light emission module

ABSTRACT

The present invention provides a light-emitting module capable of absorbing individual differences in organic EL panels that are inevitably generated in manufacture or individual differences between different types of organic EL panels. A connector includes a connection side circuit. The connection side circuit includes a circuit side power supply path that contributes to power supply to a light-emitting panel. The light-emitting panel includes an adjustment element and a light-emitting element. The adjustment element is capable of adjusting an electric resistance value and electrically connected to the light-emitting element through the circuit side power supply path.

CROSS-REFERENCE TO RELATED APPLICATION

The present application is a divisional of U.S. patent application Ser.No. 15/117,065 filed Aug. 5, 2016, entitled “Light Emission Module,Connector, and Mounting Structure for Light Emission Module,” which isthe national phase of PCT/JP2015/052959 filed Feb. 3, 2015, entitled“Light Emission Module, Connector, and Mounting Structure for LightEmission Module,” which in turn claims priority to JP 2014-025517 filedFeb. 13, 2014, JP2014-069115 filed Mar. 28, 2014, JP2014-069116 filedMar. 28, 2014 and JP2014-069117 filed Mar. 28, 2014 the entire contentsof which are incorporated herein by reference.

TECHNICAL FIELD

The present invention relates to a light-emitting module. In particular,the present invention relates to a light-emitting module that includes abuilt-in organic EL panel for lighting. The present invention alsorelates to a connector that constitutes a part of the light-emittingmodule. The present invention further relates to a light-emitting moduleattachment structure that attaches the light-emitting module to aninstallation target surface.

BACKGROUND ART

Recently, an organic EL module that includes a built-in organic EL panelhas drew attention as a lighting device that takes the place of anincandescent lamp and a fluorescent lamp.

The organic EL panel generally includes a base material such as a glasssubstrate and an organic EL element laminated on the base material, andhas a structure for sealing the organic EL element and a structure forsupplying power to the organic EL element.

The organic EL element includes two electrodes, one or both of whichhave translucency and which face each other and a light-emitting layerwhich is made of an organic compound and laminated between the twoelectrodes. The organic EL panel emits light by energy of recombinationbetween an electrically excited electron and a positive hole.

The organic EL module uses a surface-emitting organic EL panel and is aplanar light source. Thus, a plurality of organic EL modules may be laidon an installation target surface such as a ceiling so as to be used asa single lighting.

However, since the organic EL panel uses the energy of recombinationbetween an electron and a positive hole as described above, thelight-emitting amount varies according to the amount of current passingthrough the electrodes. That is, in an organic EL panel, since theinternal resistance varies according to the quality of electrodes and alight-emitting layer, the amount of current passing through electrodesvaries, and the light-emitting amount varies. Thus, there may beindividual differences in quality among organic EL panels, even when theorganic EL panels are manufactured in the same manufacturing line.

The influence on light emission caused by the individual differences inelectric resistance value is small. However, when dimming control isperformed on an organic EL module, precise dimming control cannot beperformed. Further, when a plurality of organic EL modules are laid in aplane shape and used, lightness difference may be generated betweenadjacent organic EL modules.

In view of an actual condition of development, a product is improvedfrom day to day. Thus, there may be a difference in manufacturing methoddepending on manufacturing time even among products of the same model orbetween a product of a current model and a product of a successor model.Thus, a slight individual difference may be generated between new andold products.

Thus, a conventional organic EL panel has a structure that is providedwith a control board including a semi-fixed resistor to absorbindividual differences between products. That is, an attempt to adjustan electric resistance value by a semi-fixed resistor to adjust theamount of power supplied to an organic EL element to prevent individualdifferences in the internal resistance between products as far aspossible has been taken.

In a lighting apparatus using such an organic EL panel, it is desired toimprove workability when electrically connected to an external deviceand reduce restriction in arrangement caused by the connection.

Thus, for example, Patent Document 2 discloses an lighting deviceincluding a light source unit and a mounting unit attached to anon-light-emission surface of the light source unit, the mounting unitincluding a circuit board for lighting-controlling of the light sourceunit and a connection terminal to which a conductor for electricallyinterconnecting the circuit board and an external device is connected.In the lighting device, the connection terminal is arranged inwardlyfrom an outer peripheral end of a surface of the mounting unit to whichthe light source unit is attached, and a clearance is formed between thelight source unit and the mounting unit in a state that the mountingunit is attached to the light source unit. In Patent Document 2, thelighting device enables a space for housing the conductor to be ensuredbetween the light source unit and the mounting unit. Thus, even if anadditional space is needed when the lighting device is electricallyconnected to the external device, for example, by bending the externalconductor according to the arrangement, it is possible to ensure theadditional space and to enhance the workability. In addition, in thelighting device, it is also possible to eliminate the restriction inarrangement for ensuring a space for housing the conductor.

Further, Patent Document 3 discloses a method for controlling powersupplied to a light-emitting element. In this method, in order to reducevariations in light output based on individual differences betweenlight-emitting modules as described above, a semiconductor memory thatstores the characteristics of each light-emitting element is provided ineach light-emitting module, and power supplied to each light-emittingelement is controlled according to the characteristics of thelight-emitting element read from the semiconductor memory.

Patent Document 3 also describes a lighting apparatus including a powersupply terminal that supplies power to a light-emitting element and anoutput terminal connected to the power supply terminal through aresistor element, the lighting device feedback-controlling the powersupplied to the light-emitting element on the basis of output of theoutput terminal. In the lighting device, a part of the resistor elementis formed of a thin film-like resistor on a substrate having thelight-emitting element and a resistance value of the resistor isadjusted by trimming to enable previous adjustment of the resistancevalue of the resistor element according to individual differences.

PRIOR ART DOCUMENTS Patent Documents

Patent Document 1: JP 2009-021035 A

Patent Document 2: JP 2013-051055 A

Patent Document 3: JP 2009-054426 A

DISCLOSURE OF INVENTION Technical Problem

A control board that controls an organic EL panel is used also forcontrol such as lighting control. In this case, a control circuit of thecontrol board varies depending on a method of dimming control.

Conversely, when the same control method is used, the control boardbasically includes the same control circuit. Thus, there is a demand forthe use of the same control board when similar control is performed inview of cost reduction.

However, when a different type of organic EL panel is used, an expectedindividual difference varies, and a range of a resistance to be adjustedvaries. Thus, it is necessary to manufacture a control board for eachtype of organic EL panel. Thus, disadvantageously, the versatility of amounted control board is low, and a control board that is formedcorresponding to one type of organic EL panel cannot be used for anothertype of organic EL panel.

Thus, it is an object of the present invention to provide alight-emitting module capable of absorbing individual differences inorganic EL panels that are inevitably generated in manufacture orindividual differences between different types of organic EL panels.Further, it is an object of the present invention to provide a connectorof an organic EL panel used in the light-emitting module. Furthermore,it is an object of the present invention to provide a light-emittingmodule attachment structure for attaching the light-emitting module toan installation target surface such as a ceiling.

Solution to Problem

The present inventor has made an attempt to separately provide a controlboard that performs dimming control and an adjustment element forabsorbing individual differences to improve the versatility of thecontrol board. That is, a part of an adjustment mechanism for absorbingindividual differences in internal resistance is provided in the organicEL panel to enable reuse of the control board to reduce a manufacturingcost. The present inventor has considered that one type of control boardcan be used in a plurality of types of organic EL panels in this manner.

One aspect of the present invention derived under the aboveconsideration is a light-emitting module including a light-emittingpanel having an emission surface and a connector for connecting thelight-emitting panel to a fixture fixed on an installation targetsurface, the connector including a connection side circuit that includesa circuit side power supply path contributory to power supply to thelight-emitting panel, the light-emitting panel including an adjustmentelement capable of adjusting an adjustment factor according tocharacteristics of the light-emitting element and a light-emittingelement, wherein the adjustment element is electrically connected to thelight-emitting element through the circuit side power supply path.

The “installation target surface” described herein indicates aninstallation surface to be a target of installation of thelight-emitting panel, specifically, a ceiling, a wall surface, a floorsurface, or a crosspiece.

The “adjustment factor” described herein indicates a variable factor,that contributes to power supply to the light-emitting element, such asan electric resistance value, a voltage value, a current value, a poweramount, or a heat amount.

According to this aspect, since the light-emitting module includes theadjustment element capable of adjusting the adjustment factor such as anelectric resistance value according to the characteristics of thelight-emitting element, it is possible to adjust individual differencesgenerated among light-emitting panels during manufacture of thelight-emitting panels by the adjustment element. Thus, it is possible tounify the light-emitting amount between light-emitting panels and toprecisely perform control such as dimming control.

According to this aspect, since the adjustment element is provided inthe light-emitting panel, it is possible to adjust the adjustment factorsuch as an electric resistance value using the adjustment element of thelight-emitting panel. Accordingly, it is not necessary to provide anadjustment element for absorbing individual differences in the connectorand not necessary to form the connector corresponding to the type of thelight-emitting panel. Thus, according to this aspect, it is possible touse a connector that is formed corresponding to one light-emitting panelalso in another light-emitting panel and to reduce the manufacturingcost.

In a preferred aspect, the adjustment element is capable of adjusting anelectric resistance value of itself.

According to this aspect, the adjustment of the characteristics of thelight-emitting panel can be easily performed.

In a preferred aspect, the connection side circuit further includes asupply side power supply path that contributes to power supply to thelight-emitting panel and that is electrically connected in series to thecircuit side power supply path through the adjustment element, and theadjustment element is electrically connected in series to thelight-emitting element through the circuit side power supply path.

According to this aspect, since the light-emitting module includes theadjustment element capable of adjusting the adjustment factor such as anelectric resistance value, it is possible to adjust individualdifferences generated between light-emitting panels during manufactureof the light-emitting panels by the adjustment element. Thus, it ispossible to unify the light-emitting amount among light-emitting panelsand to precisely perform control such as dimming control.

In this aspect, there is a path that starts from the supply side powersupply path of the connector, passes through the adjustment element ofthe light-emitting panel, and returns to the circuit side power supplypath of the connector. That is, it is possible to form a single circuitusing the connection side circuit provided in the connector and theadjustment element of the light-emitting panel and to adjust theadjustment factor such as an electric resistance value by the adjustmentelement. Thus, it is not necessary to provide an adjustment element forabsorbing individual differences in the connector and not necessary toform the connector corresponding to the type of the light-emittingpanel. Thus, it is possible to use a connector that is formedcorresponding to one light-emitting panel also in another light-emittingpanel and to reduce the manufacturing cost.

In a more preferred aspect, the connection side circuit includes abypass that bypasses the adjustment element and that connects the supplyside power supply path with the circuit side power supply path, and theadjustment element constitutes a part of a current detection circuitthat detects a current between the supply side power supply path and thecircuit side power supply path.

In this aspect, the adjustment element is electrically connected inparallel to the bypass and constitutes a part of the current detectioncircuit. Thus, current between the supply side power supply path and thecircuit side power supply path can be detected as voltage, and controland adjustment of the adjustment element can be easily performed.

In a preferred aspect, at least one of the supply side power supply pathand the circuit side power supply path constitutes a stabilizationcircuit for making a current applied to the light-emitting elementconstant.

According to this aspect, stabilized current can be applied to thelight-emitting element, and light emission of the light-emitting elementis less prone to be affected by a noise or the like.

In a preferred aspect, at least one of the supply side power supply pathor the circuit side power supply path constitutes a control circuit thatcontrols an amount of power supplied to the light-emitting element inresponse to an external signal.

According to this aspect, dimming control for the light-emitting panelcan be performed by transmitting a control signal such as a PWM controlsignal or an on/off control signal from the outside.

In a preferred aspect, the connector includes a circuit board, thecircuit board including a plate-like or film-like connection side basematerial and the connection side circuit mounted thereon, a large partof the connection side circuit is mounted on one face of the connectionside base material, and the circuit board is disposed in such a mannerthat the one face of the connection side base material faces thelight-emitting panel.

“Mounting a large part of the connection side circuit” described hereinindicates mounting equal to or more than four-fifths of principaldevices except wiring. For example, when there are ten principaldevices, equal to or more than eight principal devices should bemounted.

According to this aspect, the circuit board is disposed in such a mannerthat a surface mainly mounted (hereinbelow, also referred to as amounting surface) of the connection side base material faces thelight-emitting panel. In other words, a surface opposite to the mountingsurface of the connection side base material (hereinbelow, also referredto as a non-mounting surface) is located on the outer side with respectto the light-emitting panel. That is, when the connector is viewed fromthe side having the non-mounting surface, a large part of the connectionside circuit which contributes to power supply to the light-emittingpanel is covered with the connection side base material. Thus, it ispossible to prevent an operator from unexpectedly touching theconnection side circuit and thereby prevent the occurrence of electricshock during an adjustment operation of the adjustment element. Thus,according to this aspect, for example, high safety can be ensured in theadjustment operation.

In the above definition, a state in which equal to or more thanfour-fifths of principal devices except wiring are mounted on one faceof the connection side board is defined as a state in which “a largepart of the connection side circuit is mounted” on one face of theconnection side board. In view of more high safety, it is preferred thatall the principal devices be mounted on one face of the connection sideboard.

For example, when the adjustment element is composed of a semi-fixedresistor capable of adjusting the electric resistance value by anexternal element, the thickness may be disadvantageously larger than thethickness when the adjustment element is composed of a fixed resistor.

Thus, in a preferred aspect based on the above problem, the connectorincludes a circuit board that mounts thereon the connection side circuitand a connector base that fixes the circuit board, the connector baseincluding a housing recess or a housing through hole, and when theconnector is attached to the light-emitting panel, a part of theadjustment element is housed inside the housing recess or the housingthrough hole.

According to this aspect, for example, even when a semi-fixed resistoris used as the adjustment element, since a part of the adjustmentelement is housed inside the housing recess or the housing through holeof the connector base, it is possible to reduce the bulkiness of thelight-emitting module caused by the thickness of the adjustment element.

In another preferred aspect based on the above problem, thelight-emitting panel includes a power supply board, the power supplyboard mounts thereon an adjustment element, the connector includes acircuit board that mounts thereon the connection side circuit and aconnector base that fixes the circuit board, the connector base includesa connection side through hole, and when the connector is attached tothe light-emitting panel, a part of the adjustment element is housedinside the control side through hole.

According to this aspect, even when a semi-fixed resistor is used as theadjustment element, it is possible to reduce the bulkiness of thelight-emitting module caused by the thickness of the adjustment elementsimilarly to the above aspect.

The control side through hole may be the same as the housing throughhole.

In a preferred aspect, the light-emitting panel includes a power supplyboard, the power supply board mounting thereon a control terminalelectrically connected to the adjustment element and a power supplyterminal electrically connected to the light-emitting element; theconnector includes a circuit board that mounts thereon the connectionside circuit and a connector base that fixes the circuit board, theconnector base having a control side through hole and a power supplyside through hole; the control terminal is inserted into the controlside through hole and physically connected to the connection sidecircuit; and the power supply terminal is inserted into the power supplyside through hole and physically connected to the connection sidecircuit.

According to this aspect, since both of the control terminal and thepower supply terminal are inserted into the respective through holes onthe connector base and physically connected to the connection sidecircuit of the circuit board, it is possible to prevent an operator fromtouching the control terminal and the power supply terminal when thelight-emitting module is assembled. Further, since the control terminaland the power supply terminal are partially or entirely inserted in therespective through holes, it is possible to reduce the bulkiness of thelight-emitting module caused by the thickness of the control terminaland the power supply terminal.

In a preferred aspect, the control side through hole is partiallyconnected to the housing through hole to form a single through hole.

In a preferred aspect, the light-emitting panel includes a panel bodythat includes the emission surface and a frame member that covers a faceof the panel body opposite to the emission surface, the frame memberincluding a projection that projects in a direction intersecting theemission surface the projection including a projecting side engagementpart formed on a side face thereof; the connector includes a connectorbase, the connector base including a base body having a support hole andan engagement piece that is disposed in a standing manner with respectto the base body along an opening of the support hole and that includesa wall side engagement part formed on a side face thereof; and when thelight-emitting panel is attached to the connector, the projection isinserted into the support hole to engage the projecting side engagementpart with the wall side engagement part.

In this aspect, when the light-emitting panel is attached to theconnector, the projection is inserted into the support hole to engagethe projecting side engagement part and the wall side engagement partwith each other. Thus, it is possible to integrate the light-emittingpanel and the connector together by relatively moving either thelight-emitting panel or the connector with respect to the other. Thatis, according to this aspect, it is possible to easily integrate thelight-emitting panel and the connector together by a single movingoperation.

In a more preferred aspect, the engagement piece is a thin plate andpartially or entirely located inside the support hole, the engagementpiece is supported on the base body so as to divide the support hole,and when the light-emitting panel is attached to the connector, theengagement piece is pressed by the projection and thereby elasticallydeformed, and the restoring force thereof acts toward the projection.

In this aspect, when the light-emitting panel is attached to theconnector, the engagement piece of the connector base is pressed by theprojection of the frame member and thereby elastically deformed, and therestoring force thereof acts toward the projection. Thus, the projectingside engagement part of the projection and the wall side engagement partof the engagement piece are biased in directions coming close to eachother, which results in firmer engagement relationship therebetween.Thus, the connector and the light-emitting panel are less prone to beseparated from each other, and have a high integration strength.

In a preferred aspect, the light-emitting panel includes a panel bodyincluding the emission surface and a frame member that covers a face ofthe panel body, the face being located opposite to the emission surface,the frame member includes at least two projections projecting in adirection intersecting the emission surface, the two projections includeprojecting side engagement parts formed on side faces thereof, theconnector includes a connector base, the connector base includes a basebody and at least two engagement pieces, the base body includes at leasttwo support holes, each of the two engagement pieces is disposedcorresponding to the corresponding one of the support holes and disposedin a standing manner with respect to the base body along an opening ofthe corresponding support hole, the two engagement pieces have a thinplate-like shape, face each other, include wall side engagement partsformed on faces facing each other, each of the two projections isinserted into the corresponding one of the support holes, and each ofthe projecting side engagement parts is engaged with the correspondingone of the wall side engagement parts.

According to this aspect, since each of the two projections is insertedin the corresponding one of the two support holes, the light-emittingpanel is less prone to be displaced with respect to the connector in thein-plane direction of the emission surface.

Further, in this aspect, each of the engagement pieces includes the wallside engagement part formed on the face facing the other engagementpiece, and the wall side engagement part is engaged with the projectingside engagement part formed on the side face of the projection. That is,the two engagement pieces are located on the inner side of the twoengagement pieces, and the wall side engagement part and the projectingside engagement part are engaged with each other by the inner-outerpositional relationship. That is, the light-emitting panel and theconnector are fixed by holding the two projecting pieces by the twoengagement pieces from the outer side. Thus, in an arrangement directionof the two projecting pieces, the light-emitting panel is less prone tobe displaced with respect to the connector, and the light-emitting panelis less prone to be separated from the connector. Further, even when thelight-emitting panel is attached to a ceiling, the light-emitting panelis locked by the engagement relationship between the wall sideengagement parts and the projecting side engagement parts and thus doesnot fall.

In a more preferred aspect, the light-emitting panel includes a powersupply board, the power supply board mounts thereon a control terminalelectrically connected to the adjustment element and a power supplyterminal electrically connected to the light-emitting element, theconnector includes a circuit board that mounts thereon the connectionside circuit and a connector base that fixes the circuit board, theconnector base includes a control side through hole and a power supplyside through hole, the control terminal is inserted into the controlside through hole and physically connected to the connection sidecircuit, the power supply terminal is inserted into the power supplyside through hole and physically connected to the connection sidecircuit, the projection, the control side through hole, and the powersupply side through hole all fit within an installation region that hasa shape similar to the light-emitting panel and centered on a center ofthe light-emitting panel and has half the area of the light-emittingpanel in plan view of the light-emitting panel.

In this aspect, the projection, the control side through hole, and thepower supply side through hole fit within the installation region havinghalf the area of the light-emitting panel. Thus, it is possible toensure minimum fixing of the light-emitting panel and power supply tothe light-emitting panel without unnecessarily increasing the size ofthe connector base having the corresponding support hole. That is, it ispossible to reduce the size of the connector base and to reduce thematerial cost of the connector base.

In a more preferred aspect, the light-emitting panel includes a panelbody including the emission surface, a frame member that covers a faceof the panel body, the face being located opposite to the emissionsurface, and a power supply board, the frame member includes at leasttwo projections projecting in a direction intersecting the emissionsurface, the power supply board mounts thereon a control terminalelectrically connected to the adjustment element and a power supplyterminal electrically connected to the light-emitting element, theconnector includes a circuit board that mounts thereon the connectionside circuit and a connector base that fixes the circuit board, theconnector base includes a control side through hole and a power supplyside through hole, the control terminal is inserted into the controlside through hole and physically connected to the connection sidecircuit, the power supply terminal is inserted into the power supplyside through hole and physically connected to the connection sidecircuit, the connector base is formed of an insulator and a part of theconnector base is interposed between the frame member and the circuitboard, and the control side through hole and the power supply sidethrough hole are located between the two projections.

In this aspect, the connection side through hole and the power supplyside through hole are located between the two projections. Thus, evenwhen the circuit board is pressed from the outside, the projections abutagainst the circuit board to support the circuit board, which enablesdamages of a device and a dimming control element mounted on the circuitboard to be prevented.

In a preferred aspect, the light-emitting panel includes a panel bodyincluding the emission surface and a frame member that covers a face ofthe panel body, the face being located opposite to the emission surface,and the frame member includes a frame body formed of flexible resin anda reinforcement member that reinforces the stiffness of the frame body.

According to this aspect, since the frame body is formed of flexibleresin, the frame body can be easily attached to the panel body. Further,the reinforcement member can reinforce the lack of stiffness as a framecaused by the flame body formed of flexible resin. Thus, according tothis aspect, the light-emitting module is easily assembled and has asufficient strength.

Further, according to this aspect, since the frame body is formed offlexible resin, it is possible to easily attach the panel body to theconnector and to reduce the weight of the light-emitting panel.

In the above aspect, the frame body may include a reinforcement memberhousing part, the reinforcement member housing part may extend at leastin one direction, and the reinforcement member may be housed in thereinforcement member housing part.

In a more preferred aspect, the frame member includes a plurality of thereinforcement members, the reinforcement members have a long plate-likeshape, at least two of the reinforcement members are disposed parallelto each other, and a part of the adjustment element is located betweenthe two reinforcement members.

According to this aspect, since the adjustment element is locatedbetween the two reinforcement members, it is possible to protect theadjustment element from an impact caused by, for example, falling.

In a more preferred aspect, the frame member includes a plurality of thereinforcement members, the reinforcement members have a plate-likeshape, and at least two of the reinforcement members extend indirections intersecting each other when projected on the same plane.

In this aspect, the two reinforcement members extend in the directionsintersecting each other when projected on the same plane. That is, thetwo reinforcement members reinforce two-direction components that areperpendicular to each other on the plane. Thus, the stiffness of thelight-emitting panel against twist or the like is high, and thelight-emitting panel is less prone to be damaged.

In a preferred aspect, the light-emitting panel is attachable to anddetachable from the connector base.

According to this aspect, for example, when the light-emitting panelfails to function due to an initial failure or damage and requiresrepair, the repair can be performed by replacing the light-emittingpanel with a new light-emitting panel and attaching the newlight-emitting panel to the connector. That is, according to thisaspect, it is possible to reuse the connector and reduce a repairingcost in the repair.

In a preferred aspect, the light-emitting panel includes a panel bodyincluding the emission surface and a frame member that covers a face ofthe panel body, the face being located opposite to the emission surface,the frame member includes a first attraction part, the connectorincludes a second attraction part, and the light-emitting panel isattached to the connector by a magnetic force generated between thefirst attraction part and the second attraction part.

According to this aspect, since the light-emitting panel is attached tothe connector by the magnetic force generated between the firstattraction part and the second attraction part, it is possible to easilyintegrate the light-emitting panel and the connector together by movingthe light-emitting panel and the connector close to each other.

Further, according to this aspect, since the light-emitting panel andthe connector are attracted to each other by the magnetic forcegenerated between the first attraction part and the second attractionpart, the light-emitting panel is less prone to fall off the connectoreven when the light-emitting panel is fixed to, for example, a ceiling.

In the above aspect, either the first attraction part or the secondattraction part may be a magnet, and the other attraction part may be aferromagnetic body.

In the above aspect, the connector base may include a base body, and thebase body may be interposed between the first attraction part and thesecond attraction part.

According to this aspect, when the light-emitting panel is attached toor detached from the connector, the second attraction part is less proneto be detached from the connector base.

In a preferred aspect, the adjustment element is a semi-fixed resistor.

According to this aspect, it is possible to adjust the electricresistance value of the adjustment element itself by an external elementsuch as a driver. That is, it is not necessary to separately provide acircuit or control for adjusting the electric resistance value like afixed resistor, and adjustment can be easily performed corresponding toeach light-emitting element.

In a preferred aspect, the light-emitting element is an organic ELelement including two electrode layers and an organic light-emittinglayer sandwiched between the two electrode layers.

According to this aspect, since the light-emitting panel is an organicEL panel, the light-emitting module can be made thin and light.

In the lighting device disclosed in Patent Document 2, a clearance isformed between the light source unit and the mounting unit. Thus, in thelighting device of Patent Document 2, a constructor or a user of thelighting device may touch an electric circuit or the like exposed in theclearance with a finger, which may cause a malfunction in the electriccircuit. Further, in the lighting device of Patent Document 2, erroneouscontact of a finger with power supplied from the outside may causeelectric shock. Thus, the lighting device of Patent Document 2 has aproblem in safety and reliability and has room for improvement.

Further, in the lighting device of Patent Document 2, the light sourceunit and the mounting unit are detachable from and attachable to eachother by the engagement, and the engagement part therebetween and acoupling part of terminals for supplying power therebetween are locatedon the same plane when the light source unit and the mounting unit areengaged with and attached to each other. Thus, such a clearance in whichthe electric circuit is exposed to the outside is likely to be formed.

In view of this, the present inventor has made the followingconsideration to provide a light-emitting module that includes alight-emitting panel and a connector capable of detaching and attachingthe light-emitting panel in which a circuit and a power supply terminalof the connector are not exposed to the outside when the light-emittingpanel is detached from the connector.

Specifically, the present inventor has made an attempt to separatelyprovide a mechanical engagement part between the light-emitting paneland the connector and an electrical coupling part therebetween ondifferent planes to avoid contact of a finger with a circuit whilemaintaining a clearance for disposing wiring.

Specifically, the connector base and the circuit board constitute a partof the connector or the entire connector, and the light-emitting panelis detachable from and attachable to the connector. Further, theconnector base has both a mechanical engagement function with thelight-emitting panel and a circuit exposure preventing function on theface facing the light-emitting panel. Further, the circuit board hasboth an electrical coupling function with the light-emitting panel and acircuit exposure preventing function on the face facing thelight-emitting panel. Accordingly, the present inventor has consideredthat it is possible to ensure a clearance for disposing a circuit thatperforms lighting control and a connection terminal to which a wire forelectrical connection with an external device (hereinbelow, also merelyreferred to as the connection terminal) is connected and, at the sametime, prevent the circuit from being exposed in the clearance, andprevent contact of a finger with the circuit.

One aspect of the present invention based on this consideration is alight-emitting module including a light-emitting panel including anemission surface and a connector for connecting the light-emitting panelto a fixture fixed to an installation target surface, the light-emittingpanel being attachable to and detachable from the connector, wherein thelight-emitting panel includes a light-emitting element and a powersupply terminal electrically connected to the light-emitting element,the connector includes a circuit board, the circuit board including aplate-like or film-like connection side base material and a connectionside circuit mounted on the connection side base material, and aconnector base that fixes the circuit board, the connection side circuitcontributes to power supply to the light-emitting panel, and a largepart of the connection side circuit is mounted on one face of theconnection side base material, at least a part of the connector base isformed of an insulator, and the part formed of the insulator includes apower supply side through hole, and when the light-emitting panel isattached to the connector, the one face of the connection side basematerial faces the light-emitting panel, and the part formed of theinsulator is interposed between the light-emitting panel and the circuitboard, and the power supply terminal is inserted into the power supplyside through hole and physically connected to the connection sidecircuit.

Another aspect of the present invention based on this consideration is alight-emitting module including a light-emitting panel having anemission surface and a connector for connecting the light-emitting panelto a fixture fixed on an installation target surface, the light-emittingpanel being attachable to and detachable from the connector, thelight-emitting panel including a light-emitting element and a powersupply terminal electrically connected to the light-emitting element,the connector including a circuit board that includes a plate-like orfilm-like connection side base material and a connection side circuitmounted on the connection side base material and a connector base thatfixes the circuit board, wherein the connection side circuit contributesto power supply to the light-emitting panel, a large part of theconnection side circuit being mounted on one face of the connection sidebase material, wherein at least a part of the connector base is formedof an insulator and includes a power supply side through hole, whereinwhen the light-emitting panel is attached to the connector, one face ofthe connection side base material faces the light-emitting panel, andthe part formed of the insulator is interposed between thelight-emitting panel and the circuit board and wherein the power supplyterminal is inserted into the power supply side through hole andphysically connected to the connection side circuit.

In manufacture of the light-emitting module, a connector capable ofdetaching and attaching the light-emitting panel with high versatility,high safety and low cost is required.

According to the above aspect, the light-emitting module includes theconnector that is detachable from and attachable to the light-emittingpanel, a clearance capable of disposing the connection terminal isensured, and a circuit is not exposed so as to prevent contact of afinger. That is, in the above aspect, a mechanical engagement partbetween the light-emitting panel and the connector and an electricalcoupling part therebetween are separately provided on different planes.Accordingly, it is possible to prevent contact of a finger with thecircuit part while ensuring a clearance for circuit installation andexternal wiring. According to the above aspect, an electric shockpossible part is not exposed even in a state in which the connector isdetached.

In this manner, according to this aspect, the light-emitting module isprovided with the connector, that is detachable from and attachable tothe light-emitting panel, with high safety and low cost.

In a preferred aspect, the light-emitting panel includes a projectionprojecting in a direction intersecting the emission surface, theprojection includes a projecting side engagement part formed on a sideface thereof, the connector includes a connector base, the connectorbase includes a base body and an engagement piece, the base bodyincludes a bottom face forming part constituting a bottom face of thebase body, the bottom face forming part includes a power supply sidethrough hole and a support hole, the engagement piece is disposed in astanding manner with respect to the base body along an opening of thesupport hole and includes a wall side engagement part formed on a sideface thereof, and when the light-emitting panel is attached to theconnector, the projection is inserted into the support hole to engagethe projecting side engagement part with the wall side engagement part.

In a preferred aspect, the light-emitting panel includes a projectionprojecting in a direction intersecting the emission surface, theprojection includes a projecting side engagement part formed on a sideface thereof, the connector base includes a base body, the base bodyincluding the power supply side through hole and a bottom face formingpart including a support hole, and an engagement piece disposed in astanding manner with respect to the base body along an opening of thesupport hole, the engagement piece includes a wall side engagement partformed on a side face thereof, and when the light-emitting panel isattached to the connector, the projection is inserted into the supporthole to engage the projecting side engagement part with the wall sideengagement part.

According to the above aspect, the reliability in attachment/detachmentof the light-emitting panel with respect to the connector base isimproved.

In a preferred aspect, the connector includes a circuit board, the basebody has a dish-like shape and includes a side face forming part risingfrom the bottom face forming part, a part of the side face forming partin the rising direction is cutout to form a step, and the circuit boardis fixed to the step.

That is, in the above aspect, preferably, the base body is a dish-likemember and includes the bottom face forming part and a side face formingpart rising from the bottom face forming part, and a step shape formedby cutting away a part of the side face forming part in the risingdirection is formed on the side face forming part so as to form a recesscapable of fixing the circuit board.

According to this aspect, the existence of the base body enables ashielding function for the circuit and the like to be improved and thethickness of the light-emitting module to be reduced. According to thisaspect, it is possible to improve the mechanical strength of theconnector and also improve the mechanical strength of the entirelight-emitting module.

In a preferred aspect, the distance between the one face of theconnection side board and the bottom face forming part is 0.5 mm or moreand 15 mm or less.

With this range, it is possible to prevent a finger from beingmistakenly inserted while forming a clearance for disposing wiringbetween the connection side board and the bottom face forming part.

In a preferred aspect, the distance between the connection side boardand the bottom face forming part is 10 mm or less, and 5 mm or less in amore preferred aspect.

In a preferred aspect, the distance between the connection side boardand the bottom face forming part is 1 mm or more, and 2 mm or more in amore preferred aspect.

In the lighting device disclosed in Patent Document 2, an engagementpart of the light source unit is inserted into an engaged part on oneend of the mounting part with the light source unit tilted, and thelight source unit is then turned around the engaging part therebetween.In this manner, a terminal part on the other end of the light sourceunit and the engagement part are engaged with and coupled to a terminalgroove and the engaged part of the mounting part. Further, the mountingpart is previously fixed to a mounting target. Thus, the thickness ofthe entire lighting device is substantially determined by the thicknessof the mounting part. Therefore, the lighting device has a problem thatthe characteristics of an organic EL light-emitting panel such asplane-shape, thinness, and lightness cannot be sufficiently exhibited,thus having room for improvement.

Thus, the present inventor has made the following consideration toprovide a light-emitting module having a connector that connects anorganic EL light-emitting panel to a fixture fixed to an installationtarget surface, the light-emitting module making the most of thecharacteristics of the organic EL light-emitting panel such as beingsmall and light, and having high reliability.

Specifically, the present inventor has made an attempt to detachably andattachably assemble the organic EL light-emitting panel and theconnector, and provide a projection for fitting and a power supplyterminal for power supply both projecting outward from the center or thevicinity of the center of the organic EL light-emitting panel so as tobe connected to the connector. That is, the projection for fittingprotects the power supply terminal projecting from the light-emittingpanel, and the projection and the power supply terminal are provided ina limited range near the center of the light-emitting panel. Further, afitting part for connection that projects toward an external powersource and is fitted with the projection for fitting of thelight-emitting panel is provided in the connector. Accordingly, it ispossible to provide a connector that is small and light and has highreliability, high safety and high versatility and to provide alight-emitting module that is less prone to lose the characteristics ofthe organic EL light-emitting panel.

One aspect of the present invention based on this consideration is alight-emitting module including a light-emitting panel and a connectorfor connecting the light-emitting panel to a fixture fixed on aninstallation target surface, the light-emitting panel including a panelbody including an emission surface and a light-emitting element havingat least an organic light-emitting layer, a power supply board mountingthereon a power supply terminal electrically connected to thelight-emitting element, and a frame member including a frame body thatcovers a face of the panel body opposite to the emission surface, theframe body including at least two projections projecting in a directionintersecting the emission surface, the two projections includingprojecting side engagement parts formed on side faces thereof, theconnector including a circuit board that mounts thereon a connectionside circuit, and a connector base that fixes the circuit board and thatincludes a base body and at least two engagement pieces, the base bodyincluding a power supply side through hole and at least two supportholes, each of the two engagement pieces being disposed to correspondingone of the two support holes and being disposed in a standing mannerwith respect to the base body along an opening of the correspondingsupport hole, the two engagement pieces having a thin plate-like shape,facing each other, and including wall side engagement parts formedwithin faces thereof, wherein the two projections and the power supplyside through hole all fit within an installation region that has a shapesimilar to the light-emitting panel and centered on a center of thelight-emitting panel and has half the area of the light-emitting panelin plan view of the light-emitting panel, wherein the light-emittingpanel being attachable to and detachable from the connector base,wherein when the light-emitting panel is attached to the connector, eachof the two projections is inserted into the corresponding one of thesupport holes, and each of the projecting side engagement parts isengaged with the corresponding one of the wall side engagement parts,and wherein the power supply terminal is located between the twoprojections, and inserted into the power supply side through hole andphysically connected to the connection side circuit.

Another aspect of the present invention based on this consideration is alight-emitting module including a light-emitting panel including anemission surface and a connector for connecting the light-emitting panelto a fixture fixed to an installation target surface, wherein thelight-emitting panel includes a panel body including the emissionsurface, a power supply board, and a frame member that covers a face ofthe panel body, the face being located opposite to the emission surface,the light-emitting panel body includes a light-emitting element, thelight-emitting element is an organic EL element including at least twoelectrode layers and an organic light-emitting layer sandwiched betweenthe two electrode layers, the power supply board mounts thereon a powersupply terminal electrically connected to the light-emitting element,the frame member includes a frame body formed of resin, the frame bodyincludes at least two projections projecting in a direction intersectingthe emission surface, the two projections include projecting sideengagement parts formed on side faces thereof, the connector includes aconnector base and a circuit board that mounts thereon a connection sidecircuit, the connector base fixes the circuit board and includes a basebody and at least two engagement pieces, the base body includes a powersupply side through hole and at least two support holes, each of the twoengagement pieces is disposed corresponding to the corresponding one ofthe two support holes and disposed in a standing manner with respect tothe base body along an opening of the corresponding support hole, thetwo engagement pieces have a thin plate-like shape, face each other,include wall side engagement parts formed within faces thereof, the twoprojections and the power supply side through hole all fit within aninstallation region that has a shape similar to the light-emitting paneland centered on a center of the light-emitting panel and has half thearea of the light-emitting panel in plan view of the light-emittingpanel, and when the light-emitting panel is attached to the connector,each of the two projections is inserted into the corresponding one ofthe support holes, and each of the projecting side engagement parts isengaged with the corresponding one of the wall side engagement parts,and the power supply terminal is inserted into the power supply sidethrough hole and physically connected to the connection side circuit sothat the light-emitting panel is attachable to and detachable from theconnector base, and the power supply terminal is located between the twoprojections.

According to this aspect, it is possible to provide a light-emittingmodule that includes the connector, makes the most of thecharacteristics of the organic EL light-emitting panel, is small andlight, and has high reliability.

In a preferred aspect, the connector fits within the installation regionthat has a shape similar to the light-emitting panel and centered on acenter of the light-emitting panel and has half the area of thelight-emitting panel in plan view of the light-emitting panel.

In a more preferred aspect, the installation region has quarter the areaof the light-emitting panel, and has one-eighth the area of thelight-emitting panel in a further more preferred aspect.

In a preferred aspect, the frame member includes at least tworeinforcement members that reinforce the stiffness of the frame body,the two reinforcement members have a long plate-like shape and areseparated from each other so as to be parallel to each other in planview, and the installation region is located between the tworeinforcement members.

That is, preferably, the frame member includes a plurality ofreinforcement members that reinforce the stiffness of the frame body, atleast two of the reinforcement members are long plate-like reinforcementmembers that are disposed parallel to each other and separated from eachother, and the installation region is located between the two longplate-like reinforcement members.

According to this aspect, since the power supply terminal in theinstallation region is surrounded by the connector and the frame member,in particular, the projection, and located between the two reinforcementmembers, it is possible to protect the adjustment element from an impactcaused by, for example, falling and to impart a sufficient mechanicalstrength to the entire module.

In a preferred aspect, the light-emitting panel includes a panel bodyincluding an emission surface, a power supply board, and a frame memberthat covers a face of the panel body, the face being located opposite tothe emission surface, the connector includes a circuit board and aconnector base that fixes the circuit board, at least a part of theconnector base is formed of an insulator, and the part formed of theinsulator is interposed between the frame member and the circuit board.

In a preferred aspect, the connector base is formed of an insulator anda part of the connector base is interposed between the frame member andthe circuit board.

In a more preferred aspect, the connector base includes an adjustmentelement housing recess or through hole within the face facing thelight-emitting panel, and a part of the adjustment element is housedinside the adjustment element housing recess or through hole.

According to this aspect, for example, even when a semi-fixed resistoris used as the adjustment element, since a part of the adjustmentelement is housed inside the adjustment element housing recess orthrough hole of the connector base, it is possible to reduce thebulkiness of the light-emitting module caused by the thickness of theadjustment element.

In the method disclosed in Patent Document 3, for example, when asemiconductor memory that stores the characteristics of thelight-emitting element is used, in order to turn on the light-emittingmodule, it is necessary not only to store the characteristics of thelight-emitting element in the semiconductor memory, but also to providea dedicated lighting device that is capable of reading thecharacteristics and controlling power to be supplied according to theread characteristics. Thus, the configuration of the lighting devicebecomes disadvantageously complicated.

When a method of trimming a thin film-like resistor on a substratehaving the light-emitting element formed thereon is used, it isnecessary to seal the light-emitting element and the resistor andperform framing thereon after the trimming of the resistor to stabilizethe characteristics. Thus, a change in the characteristics or failuremay occur in these steps, and there is room for further improvement.

Thus, the present inventor has made the following consideration toprovide a light-emitting module provided with a connector that connectsan organic EL light-emitting panel to a fixture on an installationtarget surface, the light-emitting module satisfying the following twopoints (1) and (2). Specifically, (1) an adjustment element forfeedback-controlling power to be supplied can be adjusted according tothe characteristics of a light-emitting element in a state in which aframe member of the panel is attached through a sealing step, and (2) apower supply terminal electrically connected to the light-emittingelement and a control terminal electrically connected to the adjustmentelement are exposed to the outside in a state in which a connector baseof the connector is attached to the light-emitting panel.

That is, the present inventor has made the following attempt. Anadjustment element, a control terminal electrically connected to theadjustment element, and a power supply terminal are mounted as a part ofa power supply board. Then, the adjustment element is made adjustable ina state in which the power supply board is mounted on a face of a panelbody which is a principal part of a light-emitting panel, the face beinglocated opposite to an emission surface, and a frame member is attached.Further, the power supply terminal is made electrically connectable tothe light-emitting element of the panel body by attaching the framemember.

Specifically, the adjustment element and the control terminal which areparts relating to adjustment are independently provided as a part of thepower supply board. The adjustment element enables an adjustment factorto be adjusted according to the characteristics of the light-emittingelement on the light-emitting panel. Further, the control terminal ismade physically and mechanically connectable to a connection sidecircuit which is a part of the connector by attaching the connector tothe light-emitting panel. The prevent inventor has considered that it ispossible to provide a light-emitting module that is capable of absorbingcharacteristic differences among products or types of product, and hashigh reliability and high productivity by separately providing theadjustment element and the control terminal in this manner. Further, theprevent inventor has considered that it is possible to provide alight-emitting module that is capable of recording the light-emittingelement characteristics in a state of a finished product as alight-emitting module and capable of preventing electric shock by avoltage applying part which forms a projection with respect to anexternal power supply side during power supply.

One aspect of the present invention based on this consideration is alight-emitting module including a light-emitting panel and a connectorfor connecting the light-emitting panel to a fixture fixed on aninstallation target surface, the light-emitting panel including a panelbody that includes an emission surface and a light-emitting element; apower supply board that mounts thereon an adjustment element capable ofadjusting an adjustment factor according to characteristics of thelight-emitting element, a control terminal electrically connected to theadjustment element, and a power supply terminal electrically connectedto the light-emitting element; and a frame member that covers a face ofthe panel body opposite to the emission surface and that includes aninsertion hole, the connector including a circuit board and a connectorbase that fixes the circuit board and that includes a control sidethrough hole and a power supply side through hole, wherein theadjustment element is exposed to the outside so as to be adjustable in astate in which the connector is detached from the light-emitting panel,and wherein when the connector base is attached to the light-emittingpanel, the control terminal is inserted into the insertion hole and thecontrol side through hole and exposed to the outside, and the powersupply terminal is inserted into the insertion hole and the power supplyside through hole and exposed to the outside.

Another aspect of the present invention based on this consideration is alight-emitting module including a light-emitting panel including anemission surface and a connector for connecting the light-emitting panelto a fixture fixed to an installation target surface, wherein thelight-emitting panel includes a power supply board that mounts thereonan adjustment element, a light-emitting element, a panel body includingthe emission surface, and a frame member that covers a face of the panelbody, the face being located opposite to the emission surface, theadjustment element is adjustable according to characteristics of thelight-emitting element, the power supply board further mounts thereon acontrol terminal electrically connected to the adjustment element and apower supply terminal electrically connected to the light-emittingelement, the frame member includes an insertion hole, the connectorincludes a circuit board that mounts thereon a connection side circuitand a connector base that fixes the circuit board, the connector baseincludes a control side through hole, a power supply side through holeand an adjustment element housing recess or through hole, the adjustmentelement is exposed so as to be adjustable in a state in which theconnector is detached from the light-emitting panel, and the controlterminal is exposed through the insertion hole and the control sidethrough hole so as to be physically connectable to the connection sidecircuit and the power supply terminal is exposed through the insertionhole and the power supply side through hole so as to be physicallyconnectable to the connection side circuit in a state in which theconnector base is attached to the light-emitting panel.

According to the above aspect, the adjustment element can be adjusted ina state in which the frame member is attached to the panel body.Further, the power supply terminal and the control terminal can beexposed to the outside in a state in which the connector base of theconnector is attached to the light-emitting panel. Thus, terminals canbe easily connected to the power supply terminal and the controlterminal, and power supply to the light-emitting element from theoutside through the adjustment element can be easily performed when thelight-emitting module is assembled.

In a preferred aspect, the adjustment element housing recess or throughhole is present within the face of the connector base, the face facingthe light-emitting panel. In a more preferred aspect, a part of theadjustment element is housed inside the adjustment element housingrecess or through hole.

In a preferred aspect, the adjustment element is covered with theadjustment element housing recess so as not to be adjusted in a state inwhich the connector base is attached to the light-emitting panel.

In a preferred aspect, the light-emitting panel includes an adjustmentelement, the adjustment element is capable of adjusting an adjustmentfactor according to the characteristics of the light-emitting element,the connector includes a connector base, the connector base includes ahousing recess capable of housing the adjustment element, and theadjustment element is covered with the housing recess so as not to beadjusted in a state in which the connector base is attached to thelight-emitting panel.

According to this aspect, the adjustment element, for example, asemi-fixed resistor is covered with the connector base and kept out ofview. Thus, even when the connector attached to the light-emitting panelis mistakenly separated into the connector base and the circuit board,it is possible to prevent unintentional change of information of theadjustment element which is a record of the characteristics of thelight-emitting element belonging to the light-emitting panel, forexample, a resistance value as an adjustment value. Correction asrewrite of the information is performed with the connector detached fromthe light-emitting panel on the basis of recognition as correction withrespect to the light-emitting panel.

In a preferred aspect, the connection side circuit includes a circuitside power supply path that contributes to power supply to thelight-emitting panel, and the adjustment element is electricallyconnected to the light-emitting element through the circuit side powersupply path.

According to this aspect, characteristic information of thelight-emitting element belonging to the panel body can be extracted tothe outside of the panel body irrelevantly to the panel body when powersupply is not performed.

One aspect of the present invention is a connector capable of connectinga light-emitting panel having an emission surface, to a fixture fixed onan installation target surface, the connector being connectable to thelight-emitting panel, the light-emitting panel including alight-emitting element and an adjustment element capable of adjusting anadjustment factor according to characteristics of the light-emittingelement, the connector including a circuit side power supply path thatcontributes to power supply to the light-emitting panel, wherein whenthe connector is connected to the light-emitting panel, the adjustmentelement is electrically connected to the light-emitting element throughthe circuit side power supply path.

According to this aspect, the connector is used for the light-emittingpanel provided with the adjustment element that absorbs individualdifferences. Thus, since the connector is not required to include anadjustment element incorporated therein, the connector can be used forvarious light-emitting panels. For example, even when a connector isformed corresponding to one light-emitting panel, the connector can beused also in another light-emitting panel that performs the samecontrol.

One aspect of the present invention is a connector capable of connectinga light-emitting panel, the light-emitting panel including an emissionsurface, to a fixture fixed to an installation target surface, theconnector being capable of attaching and detaching the light-emittingpanel, wherein the light-emitting panel includes a light-emittingelement including at least an organic light-emitting layer, a powersupply board, and at least two projections, the two projections projectin a direction intersecting the emission surface and include projectingside engagement parts formed on side faces thereof, the power supplyboard of the light-emitting panel mounts thereon a power supply terminalelectrically connected to the light-emitting element, the light-emittingpanel further includes a connector base and a circuit board that mountsthereon a connection side circuit, the connector base includes a basebody that fixes the circuit board and at least two engagement pieces,the base body includes a power supply side through hole and at least twosupport holes, each of the two engagement pieces is disposed in astanding manner with respect to the base body along an opening of thecorresponding one of the support holes, the two engagement pieces have aplate-like shape, face each other, and include wall side engagementparts formed on faces thereof, and, in plan view of a state with thelight-emitting panel attached, both the two projections fit within aninstallation region that has a shape similar to the light-emitting paneland centered on a center of the light-emitting panel and has half thearea of the light-emitting panel, each of the two projections isinserted into the corresponding one of the two support holes, each ofthe projecting side engagement parts of the light-emitting panel isengaged with the corresponding one of the wall side engagement parts ofthe engagement pieces, and the power supply terminal is inserted intothe power supply side through hole so that the connection side circuitis physically connected to the power supply terminal, and the entirefits within the installation region.

One aspect of the present invention is a connector capable of connectinga light-emitting panel, the light-emitting panel including an emissionsurface, to a fixture fixed to an installation target surface, whereinthe light-emitting panel includes a light-emitting element and at leasttwo projections projecting in a direction intersecting the emissionsurface, the light-emitting element is an organic EL element includingtwo electrode layers and an organic light-emitting layer sandwichedbetween the two electrode layers, the two projections include projectingside engagement parts formed on side faces thereof, the connectorincludes a connector base and a circuit board that mounts thereon aconnection side circuit, the connector base fixes the circuit board andincludes a base body and at least two engagement pieces, the base bodyincludes a power supply side through hole and at least two supportholes, each of the two engagement pieces is disposed corresponding tothe corresponding one of the support holes and disposed in a standingmanner with respect to the base body along an opening of thecorresponding support hole, the two engagement pieces have a plate-likeshape, face each other, and include wall side engagement parts formed onfaces thereof, the two projections and the power supply side throughhole all fit within an installation region that has a shape similar tothe light-emitting panel and centered on a center of the light-emittingpanel and has half the area of the light-emitting panel in plan view ofthe light-emitting panel, and when the light-emitting panel is attachedto the connector, each of the projections is inserted into thecorresponding one of the support holes, each of the projecting sideengagement parts is engaged with the corresponding one of the wall sideengagement parts, and the power supply terminal is inserted into thepower supply side through hole and physically connected to theconnection side circuit so that the light-emitting panel is detachablefrom and attachable to the connector base and the connector fits withinthe installation region in plan view of the light-emitting panel.

According to the above aspect, the connector is small and light and hashigh reliability while making the most of the characteristics of theorganic EL light-emitting panel.

In a preferred aspect, the connector includes a connection fitting partprojecting toward an external power source.

According to this aspect, it is possible to reduce the risk of electricshock caused by power supply from the external power source.

One aspect of the present invention is a light-emitting moduleattachment structure including the light-emitting module according tothe above aspect and the fixture, wherein the light-emitting panel isdetachably fixed by the connector, wherein the connector includes aconnection fitting part, wherein the fixture is integrally fixed to theinstallation target surface and includes a fixing side fitting part, andwherein the fixing side fitting part and the connection fitting part aredetachably fitted with each other.

According to this aspect, since the fixing side fitting part and theconnection fitting part are detachably fitted with each other, a usedlight-emitting module can be replaced with a new light-emitting moduleto be used. For example, when a light-emitting panel provided with anadjustment element is used, individual differences among products inreplacement can be absorbed by the adjustment element. Thus, it ispossible to allow the light-emitting panel to emit light with highreproducibility.

In a preferred aspect, the connection fitting part projects toward theexternal power source.

According to this aspect, it is possible to reduce the risk of electricshock caused by power supply from the external power source.

An aspect relating to the present invention is a light-emitting moduleincluding a light-emitting panel including an emission surface and aconnector for connecting the light-emitting panel to a fixture fixed toan installation target surface, wherein the connector includes a circuitboard that contributes to power supply to the light-emitting panel and aconnector base that supports the circuit board, the circuit boardincludes a power supply part electrically connectable to an externalpower source, the connector base includes a connection side throughhole, the light-emitting panel includes an adjustment element and alight-emitting element, the adjustment element forms a part of a powersupply path from the power supply part to the light-emitting element andis capable of adjusting the amount of power supplied to thelight-emitting element, and when the light-emitting panel is attached tothe connector, the connector base is mounted on the light-emittingpanel, and the adjustment element is inserted into the connection sidethrough hole of the connector base and connected to the circuit board.

According to this aspect, since a part of the adjustment element ishoused inside the connection side through hole of the connector base, itis possible to ensure an installation space for the adjustment elementby the thickness of the connector base and to reduce the bulkinesscaused by the adjustment element.

An aspect relating to the present invention is a light-emitting moduleattachment structure including a light-emitting panel including anemission surface, a fixture fixed to an installation target surface, anda connector for connecting the light-emitting panel to the fixture,wherein the fixture includes a fixing side signal output part capable ofoutputting a control signal, the connector includes a control board thatcontrols the amount of power supplied to the light-emitting panel, theconnector is detachably attached to the fixture, the light-emittingpanel is detachably attached to the connector, and the control boardinputs a control signal output from the fixing side signal output partto adjust the amount of power supplied to the light-emitting panel.

According to the configuration of this aspect, the three members,specifically, the light-emitting panel, the connector, and the fixtureare attachable to and detachable from each other, and the three memberscontrol the light-emitting panel in cooperation with each other.According to this configuration, for example, when the light-emittingpanel is broken, the broken light-emitting panel can be replaced with anew light-emitting panel to be used. Further, a method for controllingthe light-emitting panel can be changed by replacing the connector.Further, a method for fixing the fixture to the installation targetsurface can be changed by changing the fixture.

In this manner, according to this aspect, it is possible to meet variousneeds by disassembling the components and replacing each component.

Effect of Invention

According to the light-emitting module of the present invention, it ispossible to absorb individual differences in organic EL panels that areinevitably generated in manufacture or individual differences amongdifferent types of organic EL panels.

According to the connector of the present invention, it is possible toperform control such as dimming control even in different organic ELpanels.

According to the light-emitting module attachment structure of thepresent invention, it is possible to easily attach the organic EL moduleto the installation target surface.

BRIEF DESCRIPTION OF DRAWINGS

FIG. 1 is an explanatory diagram illustrating a usage condition of alight-emitting module attachment structure according to a firstembodiment of the present invention, specifically, a perspective view inwhich the orientation of one light-emitting module is changed.

FIG. 2 is a perspective view of a principal part of the light-emittingmodule attachment structure of FIG. 1.

FIG. 3 is an explanatory diagram of the light-emitting module attachmentstructure of FIG. 2, specifically, an exploded perspective view in whichthe light-emitting module is detached from a fixture.

FIG. 4 is an explanatory diagram of the fixture of FIG. 3, specifically,an exploded perspective view in which a fixing side fitting part isdetached from a support part.

FIG. 5 is an explanatory diagram of the light-emitting module of FIG. 3,specifically, an exploded perspective view in which a light-emittingpanel is detached from a connector.

FIG. 6 is an exploded perspective view of the connector of FIG. 5.

FIG. 7 is a plan view of a connector base of FIG. 6.

FIG. 8 is an exploded perspective view of the light-emitting panel ofFIG. 5.

FIG. 9 is an exploded perspective view of a frame member of FIG. 8viewed from an angle different from the angle of FIG. 8.

FIG. 10 is a sectional view of the light-emitting module taken alongline A-A of FIG. 3.

FIG. 11 is a sectional view of the light-emitting module taken alongline B-B of FIG. 3.

FIG. 12 is a schematic view illustrating a correspondence relationshipbetween panel side power supply parts and each layer of an organic ELelement in an organic EL panel of FIG. 8.

FIG. 13 is a circuit diagram illustrating an electric circuit inside thelight-emitting module of FIG. 2 in a simplified manner and illustratinga state in which the light-emitting module attachment structure isformed and an external power source is connected thereto.

FIG. 14 is an explanatory diagram of an attachment process of thelight-emitting module of FIG. 1, specifically, a perspective view whenthe frame member is attached to the organic EL panel.

FIGS. 15A to 15C are explanatory diagrams of the attachment process ofthe light-emitting module of FIG. 1, wherein FIG. 15A is a sectionalview illustrating a state before the light-emitting panel is attached tothe connector base, FIG. 15B is a sectional view illustrating a state inthe middle of the attachment of the light-emitting panel to theconnector base, and FIG. 15C is a sectional view illustrating a stateafter the light-emitting panel is attached to the connector base.

FIG. 16 is an explanatory diagram of the attachment process of thelight-emitting module of FIG. 1, specifically, a perspective view when acircuit board is attached to the light-emitting panel.

FIGS. 17A and 17B are explanatory diagrams of the attachment process ofthe light-emitting module of FIG. 1, wherein FIG. 17A is a side viewillustrating a state in which the light-emitting module is attached inan intersecting orientation and FIG. 17B is a side view illustrating astate in which the light-emitting module is brought into a parallelorientation from the state of FIG. 17A.

FIG. 18 is an exploded perspective view of a connector of anotherembodiment of the present invention.

FIG. 19 is a sectional view of a light-emitting module in anotherembodiment of the present invention.

BEST MODE FOR CARRYING OUT THE INVENTION

The present invention mainly relates to a light-emitting moduleattachment structure 1 used as a lighting device. Hereinbelow, up, down,right and left positional relationships will be described based on anorientation in FIG. 2 unless otherwise specifically noted. That is, alight extraction side of a light-emitting module 5 during lightingcorresponds to the lower side. Physical properties described belowindicate physical properties in a normal state unless otherwisespecifically noted. Each drawing may be exaggerated as a whole comparedto its actual size (length, width, or thickness) to facilitateunderstanding.

As illustrated in FIG. 1, the light-emitting module attachment structure1 of a first embodiment of the present invention attaches thelight-emitting module 5 to an installation target surface 200 such as aceiling or a wall together with a plurality of light-emitting modules 5so as to be arranged side by side.

As illustrated in FIG. 2, the light-emitting module attachment structure1 includes a fixture 2 and the light-emitting module 5.

As illustrated in FIG. 1, the fixture 2 is a member that is integrallyfixed to the installation target surface 200 and attaches a connector 3to the installation target surface 200.

As illustrated in FIG. 4, the fixture 2 includes a support part 6 and afixing side fitting part 7.

As illustrated in FIG. 4, the support part 6 includes a connection part10 and a coupling part 11.

As can be seen from FIGS. 1 and 2, the connection part 10 connects theinstallation target surface 200 and the coupling part 11 to each other.

The connection part 10 is a triangular prism-shaped part having aright-angled triangular cross section, and has an orientation with thetriangular prism inclined in the horizontal direction. That is, as canbe seen from FIGS. 1 and 4, an inclined surface 12 of the connectionpart 10 faces downward in a direction that intersects the installationtarget surface 200.

As illustrated in FIG. 4, the coupling part 11 includes a shaft part 21and a ball part 22.

The shaft part 21 is a cylindrical part that projects in a perpendiculardirection from the inclined surface 12 of the connection part 10. Theball part 22 is connected to the shaft part 21 at a projecting directionend from the inclined surface 12.

The ball part 22 is a substantially spherical part that is engageablewith a ball receiving part 15 of the fixing side fitting part 7(described below). The ball part 22 is housed inside the ball receivingpart 15 of the fixing side fitting part 7 to function as a ball joint.That is, the ball part 22 constitutes a universal joint and serves as aturning center of the light-emitting module 5 when the attachmentstructure 1 is assembled.

As illustrated in FIG. 4, the fixing side fitting part 7 includes theball receiving part 15, a fitting side shaft part 16, and a fitted part17.

The ball receiving part 15 is paired with the ball part 22 of thecoupling part 11 and includes a housing space which is capable ofpartially or entirely housing the ball part 22. The ball receiving part15 has a concave spherical inner surface.

As can be seen from FIGS. 2 and 3, the fitted part 17 is fittable with aconnection fitting part 28 of the light-emitting module 5.

As illustrated in FIG. 4, the fitted part 17 is a box-shaped body openin one direction and includes, inside thereof, an insertion space 20into which the connection fitting part 28 can be inserted. That is, oneend of the fitted part 17 forms an open end.

The fitted part 17 includes a fixing side connection terminal 23 whichis electrically connected to an external power source and an externaldevice and disposed in the insertion space 20. The fixing sideconnection terminal 23 serves as both a power supply terminal thatsupplies power from the external power source to a circuit board 25(control board) illustrated in FIG. 5 and a signal input terminal thatinputs a control signal from the external device to the circuit board25.

The fitted part 17 is provided with, inside thereof, a push-push typeejection mechanism.

In the ejection mechanism, the connection fitting part 28 is locked bypushing the connection fitting part 28 into the insertion space 20, andthe lock is released by again pushing the connection fitting part 28 sothat the connection fitting part 28 can be ejected from the insertionspace 20.

As illustrated in FIG. 5, the light-emitting module 5 includes theconnector 3 and a light-emitting panel 4.

The module attachment structure 1 of the present embodiment has one ofits characteristics in electrical and physical connection relationshipsbetween the connector 3 and the light-emitting panel 4. Thus, thestructures of the connector 3 and the light-emitting panel 4 will bedescribed in more detail.

As illustrated in FIG. 6, the connector 3 includes the circuit board 25(control board), a connector base 26, and a magnet part 27 (secondattraction part).

The circuit board 25 is a printed circuit board (PCB) that includes aplate-like or film-like circuit base material 30 (connection side basematerial) and a connection side circuit 31 (refer to FIG. 13, describedbelow) mounted on the circuit base material 30.

In the present embodiment, the circuit board 25 is a single-sided boardin which the connection side circuit 31 (refer to FIG. 13) is mainlymounted on one face of the plate-like circuit base material 30.

The circuit base material 30 is formed of epoxy resin or ceramic.

The connection side circuit 31 of the circuit board 25 will be describedin detail below.

As illustrated in FIG. 6, the circuit board 25 includes the connectionfitting part 28.

The connection fitting part 28 is a projecting piece that is integrallyfixed to the circuit base material 30 and projects in the in-planedirection from an end of the circuit base material 30. The connectionfitting part 28 is fittable with the fitted part 17 of the fixing sidefitting part 7.

The connection fitting part 28 includes a connection side connectionterminal 29 (power supply part) which is electrically connected to theconnection side circuit 31 (control circuit).

The connection side connection terminal 29 is connected to the fixingside connection terminal 23 when the connection fitting part 28 and thefitted part 17 are fitted with each other. That is, the connection sideconnection terminal 29 serves as both a power supply terminal thatsupplies power to the connection side circuit 31 by the supply of powerfrom the fixing side connection terminal 23 and a signal input terminalthat inputs a control signal from the fixing side connection terminal 23to the connection side circuit 31.

The connector base 26 is a mount on which the circuit board 25 can bemounted as illustrated in FIG. 5 and formed of an insulator. Although amethod for forming the connector base 26 is not particularly limited toany method, the connector base 26 is preferably formed by injectionmolding.

As illustrated in FIG. 6, the connector base 26 is provided with a basebody 44, locking pieces 48, 49 (engagement pieces), and a magnet housingpart 50.

The base body 44 is a dish-like member and includes a substantiallyquadrangular bottom face forming part 35 and side face forming parts 36,37, 38, 39 which rise from four sides of the bottom face forming part35.

The bottom face forming part 35 is provided with fitting through holes40, 41 (support holes), a control side through hole 42, and a powersupply side through hole 43 (housing through hole). All of these throughholes 40, 41, 42, 43 penetrate the bottom face forming part 35 in thethickness direction.

The control side through hole 42 and the power supply side through hole43 are adjacent to each other in the in-plane direction and partiallycontinuous with each other. That is, the control side through hole 42and the power supply side through hole 43 form a single through holewithin the plane and are continuous with each other in the in-planedirection of the bottom face forming part 35.

The fitting through holes 40, 41 are formed at positions that face eachother across the control side through hole 42 and the power supply sidethrough hole 43 in a direction intersecting (perpendicular to, in thepresent embodiment) an aligned-arrangement direction of the control sidethrough hole 42 and the power supply side through hole 43.

The control side through hole 42 is capable of housing a second terminal83 (refer to FIG. 5) inside thereof. That is, the control side throughhole 42 forms a power supply housing part capable of housing the secondterminal 83.

The power supply side through hole 43 is capable of housing anadjustment element 81 and a first terminal 82 (refer to FIG. 5). Thatis, the power supply side through hole 43 forms a control housing partcapable of housing the adjustment element 81 and the first terminal 82.

As illustrated in FIG. 6, the side face forming part 36 includes acutout part 45 into which the connection fitting part 28 can beinserted. The cutout part 45 is cutout from a projecting direction endtoward a base end of the side face forming part 36. The cutout part 45is located on the center in a width direction Y of the side face formingpart 36.

In each of the side face forming parts 37, 39, a projecting directionend thereof is partially cutout to form a step on a projecting directionend face. That is, the side face forming parts 37, 39 respectivelyinclude recesses 46, 47 each of which is recessed compared to the otherpart.

As can be seen from FIGS. 5 and 6, the width of each of the recesses 46,47 is substantially equal to the width of the circuit base material 30of the circuit board 25, and the recesses 46, 47 are capable of fixingthe circuit base material 30 of the circuit board 25.

The locking pieces 48, 49 have a thin plate-like shape and respectivelyinclude hemispherical locking projections 51, 52 (wall side engagementparts) on their side faces in a proximity direction.

As illustrated in FIG. 7, a part of the locking piece 48 is locatedinside the fitting through hole 40, and a part of the locking piece 49is located inside the fitting through hole 41. Both ends of the lockingpieces 48 and 49 are fixed to the bottom face forming part 35.Specifically, each of the locking pieces 48, 49 is integrally connectedto a part of the bottom face forming part 35, and both ends thereof aresupported by the connection part therebetween so as to be in an uprightorientation.

From another point of view, as illustrated in FIG. 7, the locking piece48 is formed across the fitting through hole 40 to divide the fittingthrough hole 40, and the locking piece 49 is formed across the fittingthrough hole 41 to divide the fitting through hole 41. In other words,each of the locking pieces 48, 49 is sandwiched between slit-likegrooves 53, 54. That is, since there is a space around each of thelocking pieces 48, 49 in the thickness direction, the locking pieces 48,49 have bending flexibility. Thus, each of the locking pieces 48, 49 iselastically deformable toward the space.

The locking pieces 48, 49 project with respect to the bottom faceforming part 35 in the thickness direction, and the locking projections51, 52 are formed near ends in the projecting direction of the lockingpieces 48, 49.

The magnet housing part 50 is a tubular part into which the magnet part27 can be inserted and attached and one side of which is closed by thebottom face forming part 35 as illustrated in FIG. 6. That is, themagnet housing part 50 can also be regarded as a bottomed hole which issurrounded by a cylindrical wall disposed in a standing manner on thebottom face forming part 35 and has the bottom face forming part 35 as abottom thereof.

The magnet part 27 is a known permanent magnet and has a disk-likeshape.

Here, a positional relationship between the parts when the connector 3is assembled will be described.

As illustrated in FIG. 5, the circuit board 25 is fixed to the connectorbase 26. As can be seen from FIGS. 5 and 6, the circuit base material 30is fixed to the recesses 46, 47 with the connection side circuit 31(refer to FIG. 13) facing the bottom face forming part 35. Asillustrated in FIG. 5, one face (the face located opposite to theconnection side circuit 31) of the circuit base material 30 is flushwith a projecting direction end of each of the side face forming parts37, 39. In the circuit board 25, the magnet part 27 is inserted in andattached to the magnet housing part 50.

As illustrated in FIG. 8, the light-emitting panel 4 includes a framemember 60 and an organic EL panel 61 (panel body).

The frame member 60 functions as a frame of the organic EL panel 61 andfixes the organic EL panel 61 to the connector 3.

As illustrated in FIG. 9, the frame member 60 includes a frame body 67,reinforcement members 62, 63, 64, a ferromagnetic body 65 (firstattraction part), and a power supply board 66.

The frame body 67 is formed of flexible resin, and includes a casingpart 70 and panel side projections 71, 72 (projections) as illustratedin FIG. 8.

As illustrated in FIGS. 10 and 11, the casing part 70 has asubstantially “L”-shaped cross section near an end thereof and includesan end face cover part 74 and a back face side cover part 75. That is,the end face cover part 74 is formed in a standing manner from aperipheral end of the back face side cover part 75.

The end face cover part 74 covers the peripheral end face of the organicEL panel 61 when the light-emitting panel 4 is assembled. The back faceside cover part 75 covers the back face (the face located opposite to anemission surface 8) of the organic EL panel 61 when the light-emittingpanel 4 is assembled.

As can be seen from FIGS. 8 and 9, the back face side cover part 75includes a power supply insertion hole 95 (insertion hole) into whichthe first terminal 82 can be inserted and a control insertion hole 94(insertion hole) into which the second terminal 83 can be inserted.

The control insertion hole 94 is a through hole having substantially thesame opening area as the control side through hole 42 (refer to FIG. 7).

The power supply insertion hole 95 is a through hole havingsubstantially the same opening area as the power supply side throughhole 43 (refer to FIG. 7).

As can be seen from FIGS. 8 and 9, the back face side cover part 75includes the panel side projections 71, 72, a magnetic body housing part76, and reinforcement member housing parts 77, 78, 79.

As illustrated in FIG. 8, the panel side projections 71, 72 areprojecting pieces that project from the back face side cover part 75.

As can be seen from FIGS. 8 and 11, the panel side projections 71, 72respectively include locking grooves 92, 93 (projecting side engagementparts) on their outer side faces in the aligned arrangement direction(longitudinal direction Y). That is, the side faces on which the panelside projections 71, 72 are formed face opposite to each other.

Each of the locking grooves 92, 93 is a long groove having a V-shapedcross section. That is, the inner side face of each of the lockinggrooves 92, 93 has a tapered shape downward inclined toward the centerin the width direction of each of the locking grooves 92, 93.

The locking grooves 92, 93 are formed across the side faces of the panelside projections 71, 72 and extend in the transverse direction X.

As illustrated in FIG. 8, the magnetic body housing part 76 is capableof housing the ferromagnetic body 65.

The reinforcement member housing parts 77, 78, 79 are capable of housingthe reinforcement members 62, 63, 64, respectively.

The reinforcement members 62, 63, 64 are reinforcing plates whichreinforce both the stiffness of the frame body 67 and the stiffness ofthe organic EL panel 61. All the reinforcement members 62, 63, 64 arereinforcing plates having a long plate-like shape.

The material of the reinforcement member 62 is not particularly limitedto any material as long as it is capable of reinforcing the stiffness ofthe organic EL panel 61. Examples of the material of the reinforcementmember 62 include simple metals such as aluminum, iron, nickel, cobalt,and gadolinium, alloys of these metals, and oxides of these metals.

The reinforcement member 62 of the present embodiment is formed of aniron plate.

The reinforcement members 62, 63, 64 are rectangular long plates andextend in a band shape.

The ferromagnetic body 65 is a member that has ferromagnetism andreceives a magnetic force generated by the magnet part 27. Specifically,the ferromagnetic body 65 is a metal piece having ferromagnetism. Aniron plate is employed as the ferromagnetic body 65 of the presentembodiment.

The power supply board 66 is a thin plate-like or sheet-like printedcircuit board. In the present embodiment, the power supply board 66 is aflexible printed circuit board.

The power supply board 66 includes a power supply base material 80 andinternal wiring (not illustrated) such as printed wiring is mounted onthe power supply base material 80. The power supply board 66 is providedwith the adjustment element 81, the first terminal 82 and the secondterminal 83 which are disposed on one face side of the power supply basematerial 80 as illustrated in FIG. 8 and provided with a third terminal84 which is disposed on the other face side thereof as illustrated inFIG. 9.

The adjustment element 81 is capable of adjusting an adjustment factoraccording to the characteristics of an organic EL element 100. Theadjustment element 81 of the present embodiment is a resistor capable ofadjusting an electric resistance value. Specifically, the adjustmentelement 81 of the present embodiment is a semi-fixed resistor capable ofchanging an electric resistance value by an external element such as adriver.

As illustrated in FIG. 8, the first terminal 82 includes a first powersupply terminal 86 and a second power supply terminal 87.

The first power supply terminal 86 and the second power supply terminal87 are arranged side by side in the transverse direction X.

The second terminal 83 includes a first control terminal 88 and a secondcontrol terminal 89.

The first control terminal 88 and the second control terminal 89 arearranged side by side in a direction (longitudinal direction Y)perpendicular to the transverse direction X.

As illustrated in FIG. 9, the third terminal 84 includes a third powersupply terminal 90 and a fourth power supply terminal 91.

A positional relationship between the constituent members of the framemember 60 will be described.

As illustrated in FIG. 8, the panel side projections 71, 72 of the framemember 60 are located on a principal surface opposite to the emissionsurface 8 of the organic EL panel 61. That is, in the entirelight-emitting panel 4, the emission surface 8 is located on oneprincipal surface (light-emitting side principal surface) of thelight-emitting panel 4, and the panel side projections 71, 72 arelocated on the other principal surface (back face side principalsurface).

The panel side projections 71, 72, the magnetic body housing part 76,the control insertion hole 94, and the power supply insertion hole 95are locally mounted in an integrated manner within a predetermined rangein plan view of the light-emitting panel 4.

Specifically, in plan view of the light-emitting panel 4, the panel sideprojections 71, 72, the magnetic body housing part 76, the controlinsertion hole 94, and the power supply insertion hole 95 all fit withinan installation region that has a shape similar to the light-emittingpanel 4 and centered on the center of the light-emitting panel 4 and hashalf the area of the light-emitting panel 4.

In plan view of the light-emitting panel 4, the panel side projections71, 72, the magnetic body housing part 76, the control insertion hole94, and the power supply insertion hole 95 preferably fit within aninstallation region having quarter the area of the light-emitting panel4, and more preferably fit within an installation region havingone-eighth of the area of the light-emitting panel 4.

As illustrated in FIG. 8, in the frame member 60, the power supplyinsertion hole 95, the control insertion hole 94, and the ferromagneticbody 65 are arranged in a row in this order in the transverse directionX. In the longitudinal direction Y (the direction perpendicular to boththe transverse direction and a thickness direction Z), the panel sideprojections 71, 72 are located on the outer side with respect to thepower supply insertion hole 95, the control insertion hole 94, and theferromagnetic body 65. The reinforcement members 62, 63 are disposed onthe outer side in the longitudinal direction Y with respect to the panelside projections 71, 72. The reinforcement member 64 is located on theouter side in the transverse direction X with respect to thereinforcement members 62, 63.

As illustrated in FIG. 8, both of the reinforcement members 62, 63extend in the transverse direction X.

The reinforcement members 62, 63 are disposed with a predetermined spacetherebetween and parallel to each other in the longitudinal direction Y.

The reinforcement member 64 extends in a direction that intersects theextending direction of the reinforcement members 62, 63. In the presentembodiment, the reinforcement member 64 extends in the longitudinaldirection Y

The reinforcement member 64 is located on the outer side (the end side)with respect to the reinforcement members 62, 63 in the transversedirection X. The reinforcement member 64 extends from the vicinity ofone end to the vicinity of the other end in the longitudinal directionY.

All the reinforcement members 62, 63, 64 are laid on the same plane.

As illustrated in FIG. 12, the organic EL panel 61 includes the built-inorganic EL element 100 (light-emitting element) and the emission surface8 formed on one principal surface (one face) thereof.

That is, as illustrated in the upper diagram of FIG. 12, the organic ELpanel 61 has a built-in laminated structure that includes a substrate101 having planar expansion and the organic EL element 100 which islaminated on the substrate 101.

The organic EL element 100 has a laminated structure that includes atleast a first electrode layer 102, an organic light-emitting layer 103,and a second electrode layer 105 which are laminated in this order fromthe substrate 101.

The organic EL panel 61 of the present embodiment is a bottom emissiontype organic EL panel which extracts light from the side having thesubstrate 101.

The organic EL panel 61 is a polygonal panel. In the present embodiment,the organic EL panel 61 is a quadrangular plate-like panel.

As can be seen from FIG. 8, the organic EL panel 61 includes panel sidepower supply parts 106, 107 on the back face (the face located oppositeto the side having the emission surface 8, the upper face). That is, inthe organic EL panel 61, the substrate 101 is located at the side havingthe emission surface 8, and the second electrode layer 105 is located atthe side having the panel side power supply parts 106, 107.

As illustrated in FIG. 12, the panel side power supply part 106 iselectrically connected to the first electrode layer 102 of the organicEL element 100, and the panel side power supply part 107 is electricallyconnected to the second electrode layer 105 of the organic EL element100. Inside the organic EL panel 61, a conductive path connecting thepanel side power supply part 106 to the panel side power supply part 107through the first electrode layer 102, the organic light-emitting layer103, and the second electrode layer 105 is formed. Thus, in the organicEL panel 61, the organic light-emitting layer 103 emits light and theemission surface 8 thereby emits light by application of voltage acrossthe panel side power supply parts 106, 107.

Next, an electric circuit inside the light-emitting module 5 which isone of the characteristics of the present embodiment will be described.FIG. 13 illustrates, in a simplified manner, the electric circuitconstructed in the light-emitting module attachment structure 1 of thepresent embodiment.

The light-emitting module 5 is driven by the supply of current from anexternal power source 210.

The organic EL panel 61 is provided with the organic EL element 100.

The power supply board 66 is provided with the adjustment element 81.

The circuit board 25 mounts thereon the connection side circuit 31 andmainly includes a sense resistor 114, a field effect transistor 115, avoltage regulator diode 116, and an IC controller 117.

The sense resistor 114 is a known chip resistor and has a resistanceextremely larger than a resistance that can be set in the adjustmentelement 81. The sense resistor 114 may be a combined resistor of aplurality of resistors.

The field effect transistor 115 is provided with a drain, a gate, and asource. In the present embodiment, the field effect transistor 115 is anN-channel MOSFET.

The voltage regulator diode 116 is a known Zener diode.

The IC controller 117 is a part that is capable of detecting current andtransmitting a control signal to the field effect transistor 115.

The external power source 210 is a direct-current (DC) power source. Inthe present embodiment, a stabilized DC power source is used as theexternal power source 210.

An electrical connection relationship between these devices will bedescribed with reference to FIG. 13.

The external power source 210 is connected to the connection sideconnection terminal 29 of the connector 3 through the fixing sideconnection terminal 23 of the fixture 2. The connection side connectionterminal 29 is connected to the first control terminal 88 of the powersupply board 66 through a first circuit side path 110 (supply side powersupply path) of the circuit board 25. The first control terminal 88 isconnected to the adjustment element 81 through the internal wiring ofthe power supply board 66. The adjustment element 81 is connected to thesecond control terminal 89 through the internal wiring of the powersupply board 66. That is, the first control terminal 88 is electricallyconnected in series to the second control terminal 89 through theadjustment element 81.

The second control terminal 89 is connected to the first power supplyterminal 86 of the power supply board 66 through a second circuit sidepath 111 (circuit side power supply path) of the circuit board 25. Thefirst power supply terminal 86 is connected to the third power supplyterminal 90 located on the face opposite thereto through the internalwiring of the power supply board 66. The third power supply terminal 90is connected to the fourth power supply terminal 91 through the organicEL element 100. The fourth power supply terminal 91 is connected to thesecond power supply terminal 87 located on the face opposite theretothrough the internal wiring of the power supply board 66.

The second power supply terminal 87 is connected to the field effecttransistor 115 through a third circuit side path 112 of the circuitboard 25. The field effect transistor 115 is connected to the connectionside connection terminal 29 through a fourth circuit side path 113. Theconnection side connection terminal 29 is connected to the externalpower source 210 through the fixing side connection terminal 23 of thefixture 2.

In this manner, the light-emitting module 5 forms a power supply circuit120 in which the adjustment element 81, the organic EL element 100, andthe field effect transistor 115 are connected in series in this orderfrom the external power source.

The circuit board 25 includes a first bypass 118 (bypass) and a secondbypass 119 (bypass) which connect the first circuit side path 110 andthe second circuit side path 111 in a manner to bypass the adjustmentelement 81. The sense resistor 114 is connected to an intermediate partof the first bypass 118, and the IC controller 117 is connected to anintermediate part of the second bypass 119.

The adjustment element 81, the sense resistor 114, and the IC controller117 have a parallel connection relationship with each other, and theparallel connection relationship therebetween constitutes a currentdetection circuit which detects a current between the first circuit sidepath 110 and the second circuit side path 111. That is, in the currentdetection circuit, the IC controller 117 detects a voltage between thefirst circuit side path 110 and the second circuit side path 111, andthe current between the first circuit side path 110 and the secondcircuit side path 111 is detected from the composite resistance of theadjustment element 81 and the sense resistor 114.

The circuit board 25 includes a connection circuit 121 which connectsthe first circuit side path 110 and the third circuit side path 112 toeach other. The voltage regulator diode 116 is connected to anintermediate part of the connection circuit 121. That is, the voltageregulator diode 116 makes a voltage between the first circuit side path110 and the third circuit side path 112 constant and makes a current tobe applied to the organic EL element 100 constant. That is, the circuitboard 25 is provided with a stabilization circuit passing through theadjustment element 81, the sense resistor 114, the organic EL element100, and the voltage regulator diode 116, and the stabilization circuitmakes the current to be applied to the organic EL element 100 constant.

The IC controller 117 is connected to an external signal input unit 122through the fixing side connection terminal 23 and the connection sideconnection terminal 29 and capable of receiving a control signal(external signal) for performing PWM control or on/off control from thesignal input unit 122.

The IC controller 117 is connected to the gate of the field effecttransistor 115 and capable of outputting a drive signal to the fieldeffect transistor 115.

That is, the light-emitting module 5 outputs a drive signal to the fieldeffect transistor 115 on the basis of a control signal received by theIC controller 117 from the signal input unit 122 to control the fieldeffect transistor 115. Accordingly, it is possible to control the amountof power supplied to the organic EL element 100 to control dimming ofthe organic EL element 100.

Next, a positional relationship between the parts of the light-emittingmodule attachment structure 1 will be described according to a processof attaching the light-emitting module 5 to the installation targetsurface 200.

First, an assembly process of the light-emitting module 5 will bedescribed.

As illustrated in FIG. 14, the frame member 60 is attached to theorganic EL panel 61 with the power supply board 66 connected to form thelight-emitting panel 4.

At this time, the back face side cover part 75 of the frame member 60covers the face of the organic EL panel 61, the face being locatedopposite to the emission surface 8, and the end face cover part 74covers the end face of the organic EL panel 61.

As can be seen from FIGS. 8 and 9, the third power supply terminal 90 ofthe third terminal 84 of the power supply board 66 is in contact withand physically connected to the panel side power supply part 106, andthe fourth power supply terminal 91 thereof is in contact with andphysically connected to the panel side power supply part 107.

Then, as illustrated in FIGS. 15A-15C, the light-emitting panel 4 isbrought close to and attached to the connector base 26.

The light-emitting panel 4 is brought close to the connector 3 by theferromagnetic body 65 attracted by the magnetic force of the magnet part27. The bottom face forming part 35 which forms the bottom of the magnethousing part 50 is interposed between the magnet part 27 and theferromagnetic body 65. That is, the magnet part 27 and the ferromagneticbody 65 are attracted to each other by the magnetic force through thebottom face forming part 35.

The locking pieces 48, 49 are pressed by the panel side projections 71,72 and thereby elastically deformed outward as illustrated in FIGS. 15Aand 15B, and then fitted into the locking grooves 92, 93 of the panelside projections 71, 72.

At this time, in the locking pieces 48, 49, a restoring force isgenerated by the elastic deformation toward the panel side projections71, 72. That is, the locking pieces 48, 49 bias the panel sideprojections 71, 72 in directions coming close to each other. Further,the locking projections 51, 52 are fitted into the locking grooves 92,93 by the biasing force, and a wedge effect by the locking grooves 92,93 acts. Thus, the locking projections 51, 52 are less prone to come offthe locking grooves 92, 93, and the light-emitting panel 4 is less proneto fall from the connector base 26.

Further, as can be seen from FIG. 10, the control side through hole 42and the control insertion hole 94 communicate with each other to form asingle communicating hole. That is, a housing space capable of housingthe second terminal 83 is formed inside the communicating hole. Thesecond terminal 83 is inserted through the communicating hole formed bythe control side through hole 42 and the control insertion hole 94 andconnected to the circuit board 25.

The power supply side through hole 43 and the power supply insertionhole 95 communicate with each other to form a single communicating hole.That is, a housing space capable of housing the first terminal 82 andthe adjustment element 81 is formed inside the communicating hole. Thefirst terminal 82 is inserted through the communicating hole formed bythe power supply side through hole 43 and the power supply insertionhole 95 and connected to the circuit board 25.

Then, current is experimentally applied to the light-emitting panel 4,and the amount of current within the electric circuit is detected. Asnecessary, the electric resistance value of the adjustment element 81 isadjusted by an external element such as a driver.

Then, as illustrated in FIG. 16, the circuit board 25 is attached to therecesses 46, 47 to fix the circuit board 25 to form the light-emittingmodule 5.

The circuit board 25 is disposed so as to cover the first terminal 82,the second terminal 83, and the adjustment element 81 which are exposedfrom the connector base 26 at this time. That is, the circuit board 25is disposed in such a manner that one face of the circuit base material30 faces the back face of the light-emitting panel 4. Further, a largepart of the connection side circuit 31 of the circuit board 25 faces theback face of the light-emitting panel 4.

As illustrated in FIG. 3, the magnet part 27 is not covered with thecircuit board 25. Thus, the circuit board 25 is less prone to receivethe influence of magnetic force by the magnet part 27.

The light-emitting module 5 is manufactured by performing the abovesteps.

Then, the light-emitting module 5 manufactured by the above steps isattached to the fixture 2.

First, as illustrated in FIG. 17A, the fitted part 17 of the fixture 2is brought into an orientation intersecting the installation targetsurface 200 (intersecting orientation), and the connection fitting part28 of the circuit board 25 is inserted into the fitted part 17 and fixedthereto.

At this time, the fixing side connection terminal 23 inside theinsertion space 20 of the fitted part 17 comes into contact with theconnection side connection terminal 29 of the connection fitting part 28and is connected thereto.

Then, the light-emitting module 5 is lifted toward the installationtarget surface 200 by turning the light-emitting module 5 around theball part 22 as a turning center as indicated by an arrow in FIG. 17Aand brought into an orientation parallel to the installation targetsurface 200 (parallel orientation) as illustrated in FIG. 17B.

When replacement with a new light-emitting module 5 is performed, thefitted part 17 of the fixture 2 is brought into an orientationinteresting the installation target surface 200 by turning the fittedpart 17 around the ball part 22 as the turning center, and theconnection fitting part 28 of the circuit board 25 is pulled out of thefitted part 17 and detached therefrom.

Then, the connection fitting part 28 of the newly preparedlight-emitting module 5 is fitted with the fitted part 17, and thelight-emitting module 5 is lifted toward the installation target surface200 by turning the light-emitting module 5 around the ball part 22 asthe turning center and brought into the orientation parallel to theinstallation target surface 200.

According to the light-emitting module 5 of the present embodiment,since the devices on the circuit base material 30 of the circuit board25 are covered with the circuit base material 30 and the insulatingconnector base 26, it is possible to prevent a user from touching thedevices and a conductive part such as wiring on the circuit board 25.

According to the light-emitting module 5 of the present embodiment,since the locking grooves 92, 93 have a tapered shape, when the lockingprojections 51, 52 are fitted into the locking grooves 92, 93, a wedgeeffect acts. Thus, the locking projections 51, 52 are securely fitted inthe locking grooves 92, 93, and the integration strength therebetween ishigh.

In the light-emitting panel 4 of the present embodiment, since asemi-fixed resistor is used as the adjustment element 81, the thicknessof the adjustment element 81 is larger than the thickness of a commonfixed resistor. Thus, a space for disposing the adjustment element 81 isrequired in the thickness direction projecting from the power supplybase material 80 of the power supply board 66.

Thus, in the light-emitting module 5 of the present embodiment, thepower supply side through hole 43 of the connector base 26 and the powersupply insertion hole 95 of the frame member 60 form a housing spacecapable of housing the adjustment element 81. Thus, the installationplace for the adjustment element 81 is ensured, and the adjustmentelement 81 does not become an obstacle for the attachment.

According to the light-emitting module attachment structure 1 of thepresent embodiment, the fixture 2 and the circuit board 25 of theconnector 3 are electrically and mechanically connected to each other bythe fitting relationship between the fixing side fitting part 7 and theconnection fitting part 28. Conversely, the fixture 2 and the circuitboard 25 of the connector 3 are electrically disconnected by releasingthe fitting relationship between the fixing side fitting part 7 and theconnection fitting part 28. Thus, it is not necessary to separatelyperform connection of wiring or the like when the light-emitting module5 is attached to or detached from the fixture 2. Thus, a replacementoperation for the light-emitting module 5 can be simplified.

According to the light-emitting module attachment structure 1 of thepresent embodiment, three members, specifically, the light-emittingpanel 4, the connector 3, and the fixture 2 are attachable to anddetachable from each other, and the three members control thelight-emitting panel 4 in cooperation with each other.

Thus, for example, when the light-emitting panel 4 is broken, the brokenlight-emitting panel 4 can be replaced with a new light-emitting panel 4to be used, and repair for the broken one is easy.

In order to change a method for controlling the light-emitting panel 4,the control method can be changed by replacing the connector 3.

Further, in order to change a method for fixing the fixture 2 to theinstallation target surface 200, the fixing method can be changed bychanging the fixture 2.

Although, in the above embodiment, power is supplied from the externalpower source 210 to the adjustment element 81 of the power supply board66 through the circuit board 25, the present invention is not limitedthereto. There may be employed a structure that supplies power to theadjustment element 81 of the power supply board 66 directly from theexternal power source 210 without through the circuit board 25.

Although, in the above embodiment, the locking projections 51, 52(projections) are provided in the locking pieces 48, 49 of the connectorbase 26, the locking grooves 92, 93 (recesses) are provided in the panelside projections 71, 72 of the frame member 60, and the lockingprojections 51, 52 and the locking grooves 92, 93 are engaged with eachother, the present invention is not limited thereto. Recesses may beprovided in the locking pieces 48, 49, projections may be provided inthe panel side projections 71, 72, and the recesses and the projectionsmay be engaged with each other.

Although, in the above embodiment, the connection fitting part 28 as aprojection is provided in the circuit board 25 and fitted with thefitted part 17 as a recess provided in the fixture 2, the presentinvention is not limited thereto. A recess may be provided in thecircuit board 25, a projection may be provided in the fixture 2, and therecess and the projection may be fitted with each other.

Although, in the above embodiment, the connection fitting part 28 isprovided in the circuit board 25, the present invention is not limitedthereto. The connection fitting part 28 may be provided in the connectorbase 26 as illustrated in FIG. 18.

Although, in the above embodiment, the fitting relationship between theconnection fitting part 28 of the circuit board 25 and the fitted part17 of the fixture 2 is used for both mechanical connection andelectrical connection, the present invention is not limited thereto. Thefitting relationship between the connection fitting part 28 of thecircuit board 25 and the fitted part 17 of the fixture 2 may be usedonly for mechanical connection.

Although, in the above embodiment, the reinforcement members 62, 63, 64are arranged on the same plane, the present invention is not limitedthereto. The reinforcement members 62, 63, 64 may be slightly displacedfrom each other in the height direction. That is, the reinforcementmembers 62, 63, 64 are only required to have a relationship in which thereinforcement members 62, 63, 64 extend in directions intersecting eachother when projected on the same plane.

Although, in the above embodiment, description has been made withreference to the drawings illustrating a case in which thelight-emitting module 5 is laid on a ceiling, the present invention isnot limited thereto. The installation position of the light-emittingmodule 5 is not limited to any position.

Although, in the above embodiment, the magnet part 27 is provided in theconnector 3, and the ferromagnetic body 65 is provided in thelight-emitting panel 4, the present invention is not limited thereto.The ferromagnetic body 65 may be provided in the connector 3, and themagnet part 27 may be provided in the light-emitting panel 4.

Although, in the above embodiment, the adjustment element 81 is insertedand housed in the power supply side through hole 43 and covered with thecircuit base material 30 of the circuit board 25 to make the adjustmentelement 81 inoperable when the connector 3 is attached to thelight-emitting panel 4, the present invention is not limited thereto. Asillustrated in FIG. 19, a housing recess 220 may be formed on theconnector base 26, and the adjustment element 81 may be housed in thehousing recess 220 to make the adjustment element 81 inoperable when theconnector 3 is attached to the light-emitting panel 4.

EXPLANATION OF REFERENCE CHARACTERS

1: light-emitting module attachment structure

2: fixture

3: connector

4: light-emitting panel

5: light-emitting module

7: fixing side fitting part

8: emission surface

25: circuit board

26: connector base

27: magnet part (second attraction part)

28: connection fitting part

30: circuit base material (connection side base material)

31: connection side circuit

40, 41: fitting through hole (support hole)

42: power supply side through hole

43: control side through hole (housing through hole)

44: base body

48, 49: locking piece (engagement piece)

51, 52: locking projection (wall side engagement part)

60: frame member

61: organic EL panel (panel body)

65: ferromagnetic body (first attraction part)

66: power supply board

71, 72: panel side projection (projection)

81: adjustment element

82: first terminal (power supply terminal)

83: second terminal (control terminal)

92, 93: locking groove (projecting side engagement part)

100: organic EL element (light-emitting element)

110: first circuit side path (supply side power supply path)

111: second circuit side path (circuit side power supply path)

118: first bypass (bypass)

119: second bypass (bypass)

200: installation target surface

220: housing recess

1. A light-emitting module comprising: a light-emitting panel; and aconnector for connecting the light-emitting panel to a fixture fixed onan installation target surface, the light-emitting panel comprising: apanel body including an emission surface and a light-emitting element; apower supply terminal electrically connected to the light-emittingelement; and a frame member including a frame body that covers a face ofthe panel body opposite to the emission surface, the frame bodycomprising at least two projections projecting in a directionintersecting the emission surface, the two projections comprisingprojecting side engagement parts formed on side faces thereof, theconnector comprising: a circuit board that mounts thereon a connectionside circuit contributory to power supply to the light-emitting panel;and a connector base that fixes the circuit board and that comprises abase body and at least two engagement pieces, the base body comprising apower supply side through hole and at least two support holes, each ofthe two engagement pieces being disposed to corresponding one of the twosupport holes and being disposed in a standing manner with respect tothe base body along an opening of the corresponding support hole, thetwo engagement pieces having a thin plate-like shape, facing each other,and including wall side engagement parts formed within faces thereof,wherein the light-emitting panel is attachable to and detachable fromthe connector base, wherein when the light-emitting panel is attached tothe connector, each of the two projections is inserted into thecorresponding one of the support holes, and each of the projecting sideengagement parts is engaged with the corresponding one of the wall sideengagement parts, and wherein the power supply terminal is locatedbetween the two projections, and inserted into the power supply sidethrough hole and physically connected to the connection side circuit. 2.The light-emitting module according to claim 1, wherein the twoprojections and the power supply side through hole all fit within aninstallation region that has a shape similar to the light-emitting paneland centered on a center of the light-emitting panel and has half thearea of the light-emitting panel in plan view of the light-emittingpanel.
 3. The light-emitting module according to claim 1, wherein thecircuit board comprises a plate-like or film-like connection side basematerial and the connection side circuit mounted thereon, wherein alarge part of the connection side circuit is mounted on one face of theconnection side base material, and wherein the circuit board is disposedin such a manner that the one face of the connection side base materialfaces the light-emitting panel.
 4. The light-emitting module accordingto claim 1, wherein the light-emitting panel comprises an adjustmentelement capable of adjusting an adjustment factor according tocharacteristics of the light-emitting element, wherein the connectorbase comprises a housing recess or a housing through hole, and whereinwhen the connector is attached to the light-emitting panel, a part ofthe adjustment element is housed inside the housing recess or thehousing through hole.
 5. The light-emitting module according to claim 1,wherein the light-emitting panel comprises: an adjustment elementcapable of adjusting an adjustment factor according to characteristicsof the light-emitting element; and a power supply board mounting thereona control terminal electrically connected to the adjustment element andthe power supply terminal, wherein the connector base has a control sidethrough hole, and wherein the control terminal is inserted into thecontrol side through hole and physically connected to the connectionside circuit.
 6. The light-emitting module according to claim 1, whereinthe light-emitting panel comprises: an adjustment element capable ofadjusting an adjustment factor according to characteristics of thelight-emitting element; and a power supply board mounting thereon acontrol terminal electrically connected to the adjustment element andthe power supply terminal, wherein the connector base has a control sidethrough hole and the power supply side through hole, wherein the controlterminal is inserted into the control side through hole and physicallyconnected to the connection side circuit, and wherein the connector baseis formed of an insulator and a part of the connector base is interposedbetween the frame member and the circuit board.
 7. The light-emittingmodule according to claim 1, wherein the light-emitting panel comprises:an adjustment element capable of adjusting an adjustment factoraccording to characteristics of the light-emitting element; and a powersupply board mounting thereon a control terminal electrically connectedto the adjustment element and the power supply terminal, wherein a framemember includes an insertion hole, wherein the connector base includes acontrol side through hole and the power supply side through hole,wherein the adjustment element is exposed to the outside so as to beadjustable in a state in which the connector is detached from thelight-emitting panel, and wherein when the connector base is attached tothe light-emitting panel, the control terminal is inserted into theinsertion hole and the control side through hole and exposed to theoutside, and the power supply terminal is inserted into the insertionhole and the power supply side through hole and exposed to the outside.8. A connector that connects a light-emitting panel to a fixture fixedon an installation target surface, the light-emitting panel comprising:a panel body including an emission surface and a light-emitting element;a power supply terminal electrically connected to the light-emittingelement; and a frame member including a frame body that covers a face ofthe panel body opposite to the emission surface, the frame bodycomprising at least two projections projecting in a directionintersecting the emission surface, the two projections comprisingprojecting side engagement parts formed on side faces thereof, theconnector comprising: a circuit board that mounts thereon a connectionside circuit contributory to power supply to the light-emitting panel;and a connector base that fixes the circuit board and that comprises abase body and at least two engagement pieces, the base body comprising apower supply side through hole and at least two support holes, each ofthe two engagement pieces being disposed to corresponding one of the twosupport holes and being disposed in a standing manner with respect tothe base body along an opening of the corresponding support hole, thetwo engagement pieces having a thin plate-like shape, facing each other,and including wall side engagement parts formed within faces thereof,wherein the light-emitting panel is attachable to and detachable fromthe connector base, wherein when the light-emitting panel is attached tothe connector, each of the two projections is inserted into thecorresponding one of the support holes, and each of the projecting sideengagement parts is engaged with the corresponding one of the wall sideengagement parts, and wherein the power supply terminal is locatedbetween the two projections, and inserted into the power supply sidethrough hole and physically connected to the connection side circuit. 9.A light-emitting module attachment structure comprising thelight-emitting module according to claim 1 and the fixture, wherein theconnector comprises a connection fitting part, wherein the fixture isintegrally fixed to the installation target surface and comprises afixing side fitting part, and wherein the fixing side fitting part andthe connection fitting part are detachably fitted with each other.